PS081 datasheet(14/155 Pages) AMSCO

14 / 155 page

acam-messelectronic gmbh - Friedrich-List-Str.4 - D-76297 Stutensee-Blankenloch - Germany - www.acam.de

2-5

PSØ81

Figure 2.1 Non-linearity over supply voltage

Linearity PS081 vs. Supply Voltage (Best-fit strait Line)

(Comparison: 0.12µV/V = 15ppm for an AD-Converter with PGA=128)

-0,12

-0,11

-0,1

-0,09

-0,08

-0,07

-0,06

-0,05

-0,04

-0,03

-0,02

-0,01

0,01

0,02

0,03

0,04

0,05

0,06

0,07

0,08

0,09

0,1

0,11

0,12

500

1000

1500

2000

2500

3000

3500

Strain µV/V

3.0V

3.3V

3.6V

2.7V

Figure 2.2 Non-linearity over temperature

Linearity PS081 vs. Temperature (Best-fit strait Line), Vcc=3.3V

(Comparison: 0.04µV/V = 5ppm for an AD-Converter with PGA=128)

-0,04

-0,03

-0,02

-0,01

0,01

0,02

0,03

0,04

500

1000

1500

2000

2500

3000

3500

Strain µV/V

-10 C

+10 C

+ 40 C

Note:

Best linearity is achieved with a supply voltage in the range of 3.0 V to 3.6 V. The linearity also de-

pends on the setting for the cycle time. The measurements shown above are done with a cycle time

setting of cytime = 85 (equals 170 µs).

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